Home / 91,111.11-136,572.35-44,305.83

Finding the Fourth Proportional to 91,111.11, 136,572.35 and 44,305.83

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Solution

The fourth proportional to 91,111.11, 136,572.35 and 44,305.83 is: 66,412.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,111.11 : 136,572.35 = 44,305.83 : x
  2. Step 2: Convert to fraction form
    91,111.11/136,572.35 = 44,305.83/x
  3. Step 3: Cross multiply
    91,111.11x = 136,572.35 × 44,305.83
  4. Step 4: Simplify right side
    91,111.11x = 6,050,951,100.27
  5. Step 5: Solve for x
    x = 6,050,951,100.27/91,111.11
  6. Step 6: Final answer
    x = 66,412.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.